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Re: Masonlite Electrodes

Posted By: Sean S
Date: Thursday, 14 December 2006, at 8:33 a.m.

In Response To: Re: Masonlite Electrodes (SVP Neon Equipment)


So what does your friend say about glass fractures?
Yes it was a cost factor because the mica had to be manually put into the electrode, modern technology created a machine to do this.
I never said that our wires were thicker or thinner than anyone elses.
What I ment by we is in the USA. So do you know anyone who bombards each unit for 6 minuites to fully outgas the electrode? That is why I said fast and furious. 120 seconds from start to finish , what would you call that. I guess I have to tippy toe with my expresions.
Yes all the mfgrs have the same problem. Question is that it would be a quality control issue if it was only happening to one company. It happens to every one.

When you accidentally drop a glass
> jar or bottle on a hard floor, why doesn't
> it usually break the instant it hits the
> floor, but rather on the second or third
> time some part of the vessel hits the floor?
Is the vessel full and sealed or empty and open where it can flex?

But IMO one of the worst
> things a mfg. can do when there is a problem
> is tell their customers there is not a
> problem and to give them a line of BS as a
> smoke screen in an attempt to cover up the
> problem. All this does is confuse the issue
> more by making the customers think they are
> the ones doing something wrong, when in fact
> it is the mfg. doing something wrong.
When someone calls with a problem we ask them to send the material back along with the used ones so they can be looked at. Everything has #'s on them so they can be traced and usually we are able to pull some of the invintory and test it before the product is returned. Most times we never even get the stuff back or it shows up a few months later. It's real fun when someone calls with a problem and I ask for samples and there are none to provide and ask for a lot # and the box was thrown out, How about a picture, dont have a camera. And then they say "so whats the problem. Ask how the glass was bent or tubes pumped and the answer is I dont know the glass bender did it. I'm going on a tangent so i'll stop here.
Have a great day ;]

> I'll try and keep my comments short too, but
> no promises...

> I suggest doing some in-depth research on
> how and why glass breaks. I have a close
> friend who is an expert glass fracture
> analyst. Your test method is not a good
> test. In the meantime, here is something to
> ponder: When you accidentally drop a glass
> jar or bottle on a hard floor, why doesn't
> it usually break the instant it hits the
> floor, but rather on the second or third
> time some part of the vessel hits the floor?

> I was referring to why Masonlite stopped
> using the mica band. It was a cost factor
> for them, and considering the price of
> American made electrodes I would find it
> hard to believe that it isn't a cost factor
> for the U.S. mfgs. as well.

> Agreed. As with any electrode, it is a
> quality control issue. And all of the mfgs.
> (at least in my short time in the biz) have
> had problems at one time or another - some
> more than others. But IMO one of the worst
> things a mfg. can do when there is a problem
> is tell their customers there is not a
> problem and to give them a line of BS as a
> smoke screen in an attempt to cover up the
> problem. All this does is confuse the issue
> more by making the customers think they are
> the ones doing something wrong, when in fact
> it is the mfg. doing something wrong.

> The wire only holds the closed end. No mfgs.
> electrodes have a strong enough wire to keep
> the open end from moving around. It would
> have to be a 1/16" thick tungsten wire
> to do that (sic).

> ...which was my point about the mica disc.

> It has been a lot of years since I was a rep
> for Masonlite, but the last I knew Masonlite
> was using a larger diameter wire for the
> weld to the shell than EGL. Not that it
> matters at this point where Masonlite is
> concerned, but are you saying that the last
> electrodes Masonlite made had a thinner wire
> than what EGL uses?

> I am actually surprised to hear you make
> that statement. Please specify what you mean
> by "we". I completely disagree
> with the "fast and furious"
> approach of heating the glass and
> electrodes. One only needs to look at a time
> vs. temperature vs. volume of gases released
> graph to understand why. Without question a
> slow "cook time" releases more
> contaminants than a fast one and is
> therefore better. Specifically concerning
> the electrodes, according to a booklet
> written in 1985 by Sefli, a French company,
> the metal of an electrode shell is only
> about 90% degassed after 6 minutes at a
> temperature of 950C. I concur with this
> analysis. Although with today's emission
> coatings and a finishing temperature of
> closer to 1,100C to 1,200C the electrodes
> are degassed better, But they are still
> nowhere near 100% degassed. Using a shorter
> heating time only reduces the percentage
> that the metal is degassed, not improve it.

> Mark


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